of a real energy boost, you may make yourself anxious. and for breakfast, we do not want high sugar, simple refined carbs. they will give you that blood sugar spike, but it's going to go away. the pop tarts, the fruit loops, you're going to be taking that test. don't want to do it. >> good advice. i hope folks are listening. >>> all right, coming up, everybody, the mars rover prepares to play bartender with the red planet sand. >> i'm meteorologist, erica. it's columbus day weekend. is the weather going to cooperate? i'll tell you coming up. >> early voting is underway in one make or break state. we'll talk about the latest in the presidential campaign with bob shaefer when we come back. >>> 34 states, including the all important ohio, hold early voting. in 2008, 30% of ohio's voters took advantage of it. casting their ballot before election day. the senior adviser to the obama campaign will be one of the guests on this weekend's face the nation. and joining us now live from cbs news here in washington is the host, bob shaefer. we know yo